hybrid app是什么？
这里我们先看一下词条上的定义
Hybrid App：Hybrid App is a mobile application that is coded in both browser-supported language and computer language. They are available through application distribution platforms such as the Apple App Store, Google Play etc. Usually, they are downloaded from the platform to a target device, such as iPhone, Android phone or Windows Phone. The subscribers need to install to run them.
翻译过来的意思是
1、明确主体是一款mobile app（即手机App）
2、使用浏览器支持及计算机语言编码
3、可以发布在各个手机平台的应用商店里
4、可安装运行
这里我个人的理解是首先它是一款App，作为一款App应该有的功能就是可以发布和安装运行，也就是上面